scholarly journals Self-Heating Measurements for a Dual-Phase Steel under Ultrasonic Fatigue Loading for stress amplitudes below the conventional fatigue limit

2016 ◽  
Vol 2 ◽  
pp. 1191-1198 ◽  
Author(s):  
Noushin Torabian ◽  
Véronique Favier ◽  
Saeed Ziaei-Rad ◽  
Frédéric Adamski ◽  
Justin Dirrenberger ◽  
...  
Keyword(s):  
Fatigue Limit ◽  
Dual Phase Steel ◽  
Fatigue Loading ◽  
Dual Phase ◽  
Self Heating ◽  
Ultrasonic Fatigue

scholarly journals Calorimetric Studies and Self-Heating Measurements for a Dual-Phase Steel Under Ultrasonic Fatigue Loading

2017 ◽  
pp. 81-93 ◽  
Author(s):  
Noushin Torabian ◽  
Véronique Favier ◽  
Saeed Ziaei-Rad ◽  
Justin Dirrenberger ◽  
Frédéric Adamski ◽  
...  
Keyword(s):  
Dual Phase Steel ◽  
Fatigue Loading ◽  
Dual Phase ◽  
Self Heating ◽  
Ultrasonic Fatigue ◽  
Calorimetric Studies

scholarly journals Thermal response of DP600 dual-phase steel under ultrasonic fatigue loading

2016 ◽  
Vol 677 ◽  
pp. 97-105 ◽  
Author(s):  
Noushin Torabian ◽  
Véronique Favier ◽  
Saeed Ziaei-Rad ◽  
Justin Dirrenberger ◽  
Frédéric Adamski ◽  
...  
Keyword(s):  
Dual Phase Steel ◽  
Thermal Response ◽  
Fatigue Loading ◽  
Dual Phase ◽  
Ultrasonic Fatigue

Study on the Crack Extension Properties under Ultrasonic Vibration Uniaxial Tensile Load

2012 ◽  
Vol 538-541 ◽  
pp. 1751-1754
Author(s):  
Xue Li Cheng ◽  
Chang Liu Tian
Keyword(s):  
Plastic Zone ◽  
Fatigue Limit ◽  
Ultrasonic Vibration ◽  
High Frequency ◽  
Crack Extension ◽  
Crack Tip ◽  
Fatigue Loading ◽  
Groove Depth ◽  
High Frequency Vibration ◽  
Ultrasonic Fatigue

In this paper, the ultrasonic vibration uniaxial tension experiment was carried out on the 20# steel with a set of ultra-high-frequency vibration device. It showed that the material defect was the important factors of ultrasonic “soften” mechanism and obtained the crack extension mechanism under ultrasonic fatigue loading, there were：(1)The high frequency vibration of the ultrasonic fatigue loading weakened the influence of the plastic zone of the crack tip and residual stress on crack extension; (2)When the fatigue crack extension, the ultrasonic wave spread in the specimen, and reflected in the crack surface, resulting the crack closure effect decreased, the plastic zone of the crack tip decreasing; (3)The high vibration frequency and deformation velocity resulted the increase of the thermal effect, crack extension energy spread to the continuous medium in the form of heat, promoting crack extension and releasing energy. It also study the influence of different groove depth and groove curvature on the material ultrasound fatigue limit, and obtained the relation curve of fatigue limit with groove depth and groove curvature.

Fatigue characteristics of fine grain dual-phase steel.

1988 ◽  
Vol 37 (417) ◽  
pp. 637-642
Author(s):  
Shigeru YAMAMOTO ◽  
Hideaki NAKAYAMA ◽  
Tsuneshichi TANAKA
Keyword(s):  
Dual Phase Steel ◽  
Dual Phase ◽  
Fine Grain ◽  
Fatigue Characteristics

Effect of gas nitriding in flowing ammonia on the hot-dip galvanising of the Dual-Phase steel DP500

2005 ◽  
Vol 96 (3) ◽  
pp. 233-241 ◽  
Author(s):  
A. Dimyati ◽  
D. Beste ◽  
T. E. Weirich ◽  
S. Richter ◽  
M. Bückins ◽  
...  
Keyword(s):  
Dual Phase Steel ◽  
Dual Phase ◽  
Gas Nitriding
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